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servicetester.go
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/
servicetester.go
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package consistencytestutil
import (
"context"
"errors"
"io"
v1 "github.com/authzed/authzed-go/proto/authzed/api/v1"
"google.golang.org/grpc"
"google.golang.org/protobuf/types/known/structpb"
v1svc "github.com/authzed/spicedb/internal/services/v1"
"github.com/authzed/spicedb/pkg/datastore"
core "github.com/authzed/spicedb/pkg/proto/core/v1"
"github.com/authzed/spicedb/pkg/tuple"
"github.com/authzed/spicedb/pkg/zedtoken"
)
func ServiceTesters(conn *grpc.ClientConn) []ServiceTester {
return []ServiceTester{
v1ServiceTester{v1.NewPermissionsServiceClient(conn)},
}
}
type ServiceTester interface {
Name() string
Check(ctx context.Context, resource *core.ObjectAndRelation, subject *core.ObjectAndRelation, atRevision datastore.Revision, caveatContext map[string]any) (v1.CheckPermissionResponse_Permissionship, error)
Expand(ctx context.Context, resource *core.ObjectAndRelation, atRevision datastore.Revision) (*core.RelationTupleTreeNode, error)
Write(ctx context.Context, relationship *core.RelationTuple) error
Read(ctx context.Context, namespaceName string, atRevision datastore.Revision) ([]*core.RelationTuple, error)
LookupResources(ctx context.Context, resourceRelation *core.RelationReference, subject *core.ObjectAndRelation, atRevision datastore.Revision) (map[string]*v1.LookupResourcesResponse, error)
LookupSubjects(ctx context.Context, resource *core.ObjectAndRelation, subjectRelation *core.RelationReference, atRevision datastore.Revision, caveatContext map[string]any) (map[string]*v1.LookupSubjectsResponse, error)
}
func optionalizeRelation(relation string) string {
if relation == datastore.Ellipsis {
return ""
}
return relation
}
// v1ServiceTester tests the V1 API.
type v1ServiceTester struct {
permClient v1.PermissionsServiceClient
}
func (v1st v1ServiceTester) Name() string {
return "v1"
}
func (v1st v1ServiceTester) Check(ctx context.Context, resource *core.ObjectAndRelation, subject *core.ObjectAndRelation, atRevision datastore.Revision, caveatContext map[string]any) (v1.CheckPermissionResponse_Permissionship, error) {
var context *structpb.Struct
if caveatContext != nil {
built, err := structpb.NewStruct(caveatContext)
if err != nil {
return v1.CheckPermissionResponse_PERMISSIONSHIP_UNSPECIFIED, err
}
context = built
}
checkResp, err := v1st.permClient.CheckPermission(ctx, &v1.CheckPermissionRequest{
Resource: &v1.ObjectReference{
ObjectType: resource.Namespace,
ObjectId: resource.ObjectId,
},
Permission: resource.Relation,
Subject: &v1.SubjectReference{
Object: &v1.ObjectReference{
ObjectType: subject.Namespace,
ObjectId: subject.ObjectId,
},
OptionalRelation: optionalizeRelation(subject.Relation),
},
Consistency: &v1.Consistency{
Requirement: &v1.Consistency_AtLeastAsFresh{
AtLeastAsFresh: zedtoken.MustNewFromRevision(atRevision),
},
},
Context: context,
})
if err != nil {
return v1.CheckPermissionResponse_PERMISSIONSHIP_UNSPECIFIED, err
}
return checkResp.Permissionship, nil
}
func (v1st v1ServiceTester) Expand(ctx context.Context, resource *core.ObjectAndRelation, atRevision datastore.Revision) (*core.RelationTupleTreeNode, error) {
expandResp, err := v1st.permClient.ExpandPermissionTree(ctx, &v1.ExpandPermissionTreeRequest{
Resource: &v1.ObjectReference{
ObjectType: resource.Namespace,
ObjectId: resource.ObjectId,
},
Permission: resource.Relation,
Consistency: &v1.Consistency{
Requirement: &v1.Consistency_AtLeastAsFresh{
AtLeastAsFresh: zedtoken.MustNewFromRevision(atRevision),
},
},
})
if err != nil {
return nil, err
}
return v1svc.TranslateRelationshipTree(expandResp.TreeRoot), nil
}
func (v1st v1ServiceTester) Write(ctx context.Context, relationship *core.RelationTuple) error {
_, err := v1st.permClient.WriteRelationships(ctx, &v1.WriteRelationshipsRequest{
OptionalPreconditions: []*v1.Precondition{
{
Operation: v1.Precondition_OPERATION_MUST_MATCH,
Filter: tuple.MustToFilter(relationship),
},
},
Updates: []*v1.RelationshipUpdate{tuple.UpdateToRelationshipUpdate(tuple.Touch(relationship))},
})
return err
}
func (v1st v1ServiceTester) Read(ctx context.Context, namespaceName string, atRevision datastore.Revision) ([]*core.RelationTuple, error) {
readResp, err := v1st.permClient.ReadRelationships(context.Background(), &v1.ReadRelationshipsRequest{
RelationshipFilter: &v1.RelationshipFilter{
ResourceType: namespaceName,
},
Consistency: &v1.Consistency{
Requirement: &v1.Consistency_AtLeastAsFresh{
AtLeastAsFresh: zedtoken.MustNewFromRevision(atRevision),
},
},
})
if err != nil {
return nil, err
}
var tuples []*core.RelationTuple
for {
resp, err := readResp.Recv()
if errors.Is(err, io.EOF) {
break
}
if err != nil {
return nil, err
}
tuples = append(tuples, tuple.MustFromRelationship(resp.Relationship))
}
return tuples, nil
}
func (v1st v1ServiceTester) LookupResources(ctx context.Context, resourceRelation *core.RelationReference, subject *core.ObjectAndRelation, atRevision datastore.Revision) (map[string]*v1.LookupResourcesResponse, error) {
lookupResp, err := v1st.permClient.LookupResources(context.Background(), &v1.LookupResourcesRequest{
ResourceObjectType: resourceRelation.Namespace,
Permission: resourceRelation.Relation,
Subject: &v1.SubjectReference{
Object: &v1.ObjectReference{
ObjectType: subject.Namespace,
ObjectId: subject.ObjectId,
},
OptionalRelation: optionalizeRelation(subject.Relation),
},
Consistency: &v1.Consistency{
Requirement: &v1.Consistency_AtLeastAsFresh{
AtLeastAsFresh: zedtoken.MustNewFromRevision(atRevision),
},
},
})
if err != nil {
return nil, err
}
found := map[string]*v1.LookupResourcesResponse{}
for {
resp, err := lookupResp.Recv()
if errors.Is(err, io.EOF) {
break
}
if err != nil {
return nil, err
}
found[resp.ResourceObjectId] = resp
}
return found, nil
}
func (v1st v1ServiceTester) LookupSubjects(ctx context.Context, resource *core.ObjectAndRelation, subjectRelation *core.RelationReference, atRevision datastore.Revision, caveatContext map[string]any) (map[string]*v1.LookupSubjectsResponse, error) {
var builtContext *structpb.Struct
if caveatContext != nil {
built, err := structpb.NewStruct(caveatContext)
if err != nil {
return nil, err
}
builtContext = built
}
lookupResp, err := v1st.permClient.LookupSubjects(context.Background(), &v1.LookupSubjectsRequest{
Resource: &v1.ObjectReference{
ObjectType: resource.Namespace,
ObjectId: resource.ObjectId,
},
Permission: resource.Relation,
SubjectObjectType: subjectRelation.Namespace,
OptionalSubjectRelation: optionalizeRelation(subjectRelation.Relation),
Consistency: &v1.Consistency{
Requirement: &v1.Consistency_AtLeastAsFresh{
AtLeastAsFresh: zedtoken.MustNewFromRevision(atRevision),
},
},
Context: builtContext,
})
if err != nil {
return nil, err
}
found := map[string]*v1.LookupSubjectsResponse{}
for {
resp, err := lookupResp.Recv()
if errors.Is(err, io.EOF) {
break
}
if err != nil {
return nil, err
}
found[resp.Subject.SubjectObjectId] = resp
}
return found, nil
}